GB/T 45393.4-2025 Active National standards

GB/T 45393.4-2025 Information technology—Building information model(BIM) software—Part 4:Mesh model

Publish Date: 2025-03-28 Implement Date: 2025-10-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 45393.4-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Computer applications

ICS Name: The application of information technology in other fields

Publish Date: 2025-03-28

Implement Date: 2025-10-01

Pages: 36 pages

Scope

This document defines the data structure of the grid model in BIM software and the way to extend the semantic information of the records, and specifies the specific requirements of multi-level detail models in terms of structure, implementation, and rendering objects.
This document is applicable to lightweight files or file segments used in BIM software for model construction, and also to supporting the development of related application software for reading, creating, and modifying grid model files that comply with this document.

Development Information

Word Count: 57 Thousand words Pages: 36 pages

Same series standard

GB/T 45393.1-2025 Information technology—Building information model(BIM) software—Part 1:General requirements GB/T 45393.2-2025 Information technology—Building information model(BIM) software—Part 2:Parameterized model GB/T 45393.3-2025 Information technology—Building information model(BIM) software—Part 3:Model view definition GB/T 45393.5-2025 Information technology—Building information model(BIM) software—Part5:Data interface

Referenced Standards

GB/T 36456.1-2018 Engineering domain oriented shared information model—Part 1:Domain information model framework GB/T 51447-2021 Standard for storage of building information model

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